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-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
index 475ba78acc09..61f3fec5a8b1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
@@ -10,6 +10,7 @@
*/
/dts-v1/;
+#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/linux-event-codes.h>
#include "rk3399.dtsi"
#include "rk3399-opp.dtsi"
@@ -29,6 +30,26 @@
stdout-path = "serial2:115200n8";
};
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 1>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1600000>;
+ poll-interval = <100>;
+
+ button-up {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ press-threshold-microvolt = <100000>;
+ };
+
+ button-down {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ press-threshold-microvolt = <600000>;
+ };
+ };
+
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm0 0 50000 0>;
@@ -519,6 +540,11 @@
status = "okay";
};
+&saradc {
+ vref-supply = <&vcca1v8_s3>;
+ status = "okay";
+};
+
&sdmmc {
bus-width = <4>;
cap-sd-highspeed;